CVE-2022-26078

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-07-06 · updated 2026-06-17
Weakness: CWE-754

Description

Gallagher Controller 6000 is vulnerable to a Denial of Service attack via conflicting ARP packets with a duplicate IP address. This issue affects: Gallagher Gallagher Controller 6000 vCR8.60 versions prior to 220303a; vCR8.50 versions prior to 220303a; vCR8.40 versions prior to 220303a; vCR8.30 versions prior to 220303a.

Affected products

Gallagher Controller 6000: from 8.30 before 8.30.220303a; from 8.40 before 8.40.220303a; from 8.50 before 8.50.220303a; from 8.60 before 8.60.220303a — fixed in 8.30.220303a, 8.40.220303a, 8.50.220303a, 8.60.220303a

How to fix

Upgrade to a fixed version: Gallagher Controller 6000 8.30.220303a, 8.40.220303a, 8.50.220303a, 8.60.220303a. Check the vendor advisory for mitigations.

References

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